WO2023244064A1

WO2023244064A1 - Insertion apparatus for analyte monitoring apparatus

Info

Publication number: WO2023244064A1
Application number: PCT/KR2023/008346
Authority: WO
Inventors: 이효근; 박효림; 이원철; 이준황; 홍순민
Original assignee: 에스디바이오센서 주식회사
Priority date: 2022-06-17
Filing date: 2023-06-16
Publication date: 2023-12-21

Abstract

Provided, according to one embodiment of the present disclosure, is an applicator comprising: a hollow column-shaped housing having an opening formed in one surface thereof; a first button disposed on the upper surface of the housing; a second button disposed on the outer peripheral surface of the housing; a needle carrier configured to be coupled to the second button and undergoing a linear motion in between a distal portion and a proximal portion inside the housing; and a drive part configured to be coupled to the first button and provide power for the linear motion of the needle carrier.

Description

Insertion device for analyte monitoring device

The present disclosure relates to an insertion device for an analyte monitoring device, and specifically relates to the detailed structure of an insertion device for a device for monitoring analytes in the body.

The content described in this section simply provides background information for the present disclosure and does not constitute prior art.

Recently, as the preference for processed foods has increased, people are easily exposed to simple sugars. Because of this environment, diabetes is also rapidly increasing. If blood sugar levels suddenly drop or rise sharply, diabetic patients may go into shock and, in rare cases, death. Because of this, diabetic patients need to continuously monitor their blood sugar.

In the case of a conventional blood sugar measuring device, an incision is made at the end of the finger using a lancet, and the diabetic patient's blood that comes out through the incision is inserted into a blood sugar analysis device to calculate the blood sugar level.

This type of blood sugar measuring device causes pain and fear to the user. Also, it is realistically difficult to cut one's fingers and make them bleed every time.

To solve this problem, a continuous glucose monitoring (CGM) system was developed. When a sensor with a fine thickness and an electronic device (hereinafter referred to as “transmitter”) for analyzing the analyte (hereinafter referred to as “blood sugar”) measured by the sensor are attached to the skin of a diabetic patient, the blood is continuously transmitted for a period of one to ten days. Blood sugar is measured.

The transmitter's sensor is very thin, making it difficult to penetrate the skin directly. Accordingly, a configuration (hereinafter referred to as “applicator”) is needed to insert a needle into the skin, insert a sensor into the gap, and withdraw the needle.

When using an applicator, it is important to provide a smooth feel.

Meanwhile, according to US 2021-0038131 A1 document, the sensor introducer 106 must be inserted into the sensor inserter 500. At this time, the direction of the sensor introducer must be aligned and inserted into the sensor inserter, but there is a high risk that the user will feel fatigued during this process. Therefore, it is desirable for the applicator to operate with an easy operation method.

Additionally, since the applicator needle is inserted directly into the user's skin, it should be used only once for hygiene reasons. The high manufacturing cost of disposable items can be a financial burden to users, so it is desirable to reduce manufacturing costs as much as possible.

Additionally, because the needle is inserted directly into the user's skin, it is very important to prevent reuse. Therefore, it is desirable for the applicator to be structurally provided with a structure that can prevent reuse.

Additionally, when using an applicator, it is desirable that the process of inserting and withdrawing the needle be carried out as quickly as possible in order to minimize pain.

Additionally, since some users may not read the user manual carefully, it is desirable for the user to intuitively recognize how to use the device.

Additionally, if the assembled applicator is disassembled due to external impact, the user will not be able to use the transmitter normally. Therefore, it is desirable that the applicator can be firmly maintained even if there is an external impact.

In addition, it is desirable to provide an applicator that must be able to stably fix and support the transmitter inside the applicator, so that the transmitter does not fall out even if there is an external impact.

Additionally, it is desirable to provide a configuration to prevent accidental triggering regardless of the user's intention.

Accordingly, the purpose of the present disclosure is to provide an applicator equipped with a safety device to prevent the applicator from being triggered by external shock.

Additionally, the present disclosure aims to provide an applicator in which a transmitter can be stably fixed even if there is external impact.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems not mentioned can be clearly understood by those skilled in the art from the description below.

According to an embodiment of the present disclosure, a hollow pillar-shaped housing having an opening formed on the bottom; a first button disposed on the upper surface of the housing; a second button disposed on the outer peripheral surface of the housing; a needle carrier configured to be engaged with the second button and moving linearly between the distal end and the proximal end within the housing; and a driving unit configured to be engaged with the first button and configured to provide power for linear movement of the needle carrier.

Also, preferably, the driving unit according to an embodiment of the present disclosure includes a wound spring coupled to the inner peripheral surface of the housing in a compressed state; a wheel whose one surface faces the spring and is constrained by the rotation of the spring; an arc-shaped trigger prevention portion protruding from the other surface of the wheel and formed along the circumference of the wheel; and a guide protrusion protruding from the other surface of the wheel and disposed radially inside the trigger prevention portion, wherein the needle carrier includes a lateral guide; and a longitudinal guide formed from one surface of the transverse guide and extending along the longitudinal direction of the housing.

Also, preferably, the first button according to an embodiment of the present disclosure includes an extension portion protruding from a lower surface of the first button; and a locking protrusion protruding from one surface of the extension portion toward a radial outer side of the first button and configured to face the trigger prevention portion, wherein the locking protrusion is formed spaced apart from a lower surface of the first button, and the first button When pressed, the trigger prevention portion is disposed in a space spaced apart between the locking protrusion and the lower surface of the first button.

Also, preferably, the needle carrier according to an embodiment of the present disclosure includes a hook protrusion protruding from a side of the longitudinal guide, and the second button is protruding from a lower surface of the second button. an extension portion disposed radially inwardly of the housing; and a hook that protrudes from one surface of the extension portion toward a radial inner side of the second button and is configured to face the hook protrusion, wherein the hook is spaced apart from a lower surface of the second button, and when the second button is pressed. In this case, the hook protrusion is disposed in a spaced apart space between the hook and the lower surface of the second button.

Also, preferably, the first button according to an embodiment of the present disclosure is configured to limit the rotation of the driving unit, and the second button is configured to limit the linear movement of the needle carrier, and the first button And when the second button is pressed simultaneously or sequentially, the drive unit rotates, thereby moving the needle carrier from distal to proximal.

Additionally, preferably, the transmitter holder is pressed by the needle carrier according to an embodiment of the present disclosure and moves from distal to proximal, and is configured to hold a transmitter, wherein the transmitter holder holds at least a portion of the transmitter. a transmitter support configured to surround the transmitter; and a pusher rotatably mounted on the upper surface of the transmitter holder.

Also, preferably, one end of the pusher according to an embodiment of the present disclosure is disposed outside the transmitter holder, and the other end of the pusher is disposed inside the transmitter holder, and one end of the pusher is disposed inside the transmitter holder. It is formed to protrude from the lower surface of the.

Also, preferably, when the transmitter holder according to an embodiment of the present disclosure moves from distal to proximal by the needle carrier, one end of the pusher is in contact with the inner bottom surface of the housing, and the other end of the pusher is connected to the transmitter. Pressurize the upper surface of

Also, preferably, the transmitter support portion and the transmitter according to an embodiment of the present disclosure are frictionally coupled.

In addition, according to another embodiment of the present disclosure, at least a portion of the sensor is inserted into the body and configured to detect an analyte in the body; a transmitter configured to process information related to in vivo analytes obtained from the sensor; and an applicator configured to move the sensor and the transmitter from proximal to distal, comprising: a hollow column-shaped housing with an opening formed on the bottom; a first button disposed on the upper surface of the housing; a second button disposed on the outer peripheral surface of the housing; a needle carrier configured to be engaged with the second button and moving linearly between the distal end and the proximal end within the housing; and an applicator configured to engage with the first button and including a driving unit configured to provide power for linear movement of the needle carrier.

As described above, according to this embodiment, the applicator is triggered only when both the first and second buttons are pressed, which has the effect of preventing accidental triggering due to an external shock or the like.

Additionally, the first button and the second button can be pressed regardless of the order, which has the effect of being user-friendly and easy to use.

1A and 1B are perspective views of an applicator according to a first embodiment of the present disclosure.

Figure 2 is an exploded perspective view of an applicator according to the first embodiment of the present disclosure.

FIG. 3A is a cross-sectional view of FIG. 1A taken along line Ⅰ-Ⅰ'.

FIG. 3B is a cross-sectional view of FIG. 1A taken along line II-II'.

Figure 4 shows the operation of the applicator according to the first embodiment of the present disclosure.

5A and 5B are perspective views of an applicator according to a second embodiment of the present disclosure.

Figure 6 is an exploded perspective view of an applicator according to a second embodiment of the present disclosure.

Figure 7 is a cross-sectional view taken along line II' of Figure 5b.

Figure 8 shows the operation of the applicator according to the second embodiment of the present disclosure.

FIG. 9A is a cross-sectional view of FIG. 5B taken along line II-II'.

Figure 9b is a cross-sectional view of Figure 5b taken along line III-III'.

Figure 10 is an enlarged view of the bottom of the applicator according to the second embodiment of the present disclosure.

11A to 11C are perspective views of an applicator according to a third embodiment of the present disclosure.

Figure 12 is an exploded perspective view of an applicator according to a third embodiment of the present disclosure.

FIGS. 13A and 13B are for explaining the coupling between internal components of the applicator according to the third embodiment of the present disclosure.

Figure 14 shows a method of fastening a spring according to a third embodiment of the present disclosure.

Figure 15 shows the operation of the applicator according to the third embodiment of the present disclosure.

16A and 16B are perspective views of an applicator according to a fourth embodiment of the present disclosure.

Figure 17 is an exploded perspective view of an applicator according to a fourth embodiment of the present disclosure.

Figure 18 is a cross-sectional view taken along line II' of Figure 16a.

Figure 19 shows the operation of the applicator according to the fourth embodiment of the present disclosure.

FIG. 20 is a cross-sectional view and a partial enlarged view of FIG. 16A taken along line II-II'.

FIG. 21 is a cross-sectional view and a partial enlarged view of FIG. 16A taken along line III-III'.

Figure 22 is a perspective view of an applicator according to the 5-1 embodiment of the present disclosure.

Figure 23 is an exploded perspective view of the applicator according to the 5-1 embodiment of the present disclosure.

Figure 24 shows the interior of the applicator according to the 5-1 embodiment of the present disclosure.

Figure 25 shows the operating principle of the applicator according to the 5-1 embodiment of the present disclosure.

Figures 26 and 27 show the trigger prevention configuration of the applicator according to the 5-1 embodiment of the present disclosure.

Figure 28 is a bottom perspective view of the applicator according to the 5-1 embodiment of the present disclosure.

Figure 29 shows the transmitter holder and transmitter of the applicator according to the 5-1 embodiment of the present disclosure.

Figure 30 shows the state after triggering of the applicator according to the 5-1 embodiment of the present disclosure.

Figure 31 shows the operating principle of the applicator according to the 5-2 embodiment of the present disclosure.

Figure 32 is a perspective view of an applicator according to the 6-1 embodiment of the present disclosure.

Figures 33a and 33b show the interior of an applicator according to the 6-1 embodiment of the present disclosure.

Figure 34 is a cross-sectional view taken along II' of Figure 32 and its enlarged view.

Figure 35 is a perspective view of an applicator according to the 6-2 embodiment of the present disclosure.

Figure 36 is a cross-sectional perspective view of the applicator according to the 6-2 embodiment.

Figure 37 is a perspective view of an applicator according to the seventh embodiment of the present disclosure.

Figure 38 shows the interior of an applicator according to the seventh embodiment of the present disclosure.

Figure 39 is a front view of a needle carrier according to a seventh embodiment of the present disclosure.

Figure 40 shows the trigger prevention configuration of the applicator according to the seventh embodiment of the present disclosure.

Hereinafter, some embodiments of the present disclosure will be described in detail through illustrative drawings. When adding reference signs to components in each drawing, it should be noted that the same components are given the same reference numerals as much as possible even if they are shown in different drawings. Additionally, in describing the present disclosure, if it is determined that a detailed description of a related known configuration or function may obscure the gist of the present disclosure, the detailed description will be omitted.

In describing the components of the embodiment according to the present disclosure, symbols such as first, second, i), ii), a), and b) may be used. These codes are only used to distinguish the component from other components, and the nature, sequence, or order of the component is not limited by the code. In the specification, when a part is said to 'include' or 'have' a certain element, this means that it does not exclude other elements, but may further include other elements, unless explicitly stated to the contrary. .

In the present disclosure, “distal position” means a position relatively farther from the skin than “proximal position.” Meanwhile, distal and proximal are concepts of relative positions, and can be understood as an element being located both proximal and distal to another element.

In the present disclosure, “initial state” refers to the state before the user uses the applicator.

Additionally, in the present disclosure, “fire” refers to the user's action of activating the applicator to cause the needle to be inserted into the user's skin.

Additionally, in the present disclosure, “retraction” refers to the process of returning to the original position after the needle is inserted through the user's skin.

Additionally, in the present disclosure, “upward” means a direction from proximal to distal.

Additionally, in the present disclosure, “downward” means a direction from distal to proximal.

Additionally, in the present disclosure, “horizontal” is a plane that the applicator contacts when the applicator is used, and may mean the skin surface. In the present disclosure, the curvature of the skin surface is not considered, and the explanation is made assuming that the user's skin surface is flat.

1. 제1 실시예1. First embodiment

Specifically, Figure 1a shows a state in which the cap 120 is installed, and Figure 1b shows a state in which the cap 120 is removed.

The applicator 100 according to the first embodiment of the present disclosure includes a handle 110 and a cap 120 configured to be mounted on the handle 110 (see FIG. 1A).

When the cap 120 according to the first embodiment of the present disclosure is removed from the handle 110, a portion of the support portion 130 is exposed (see FIG. 1B). The support portion 130 is in direct contact with the user's skin and is formed to be at least partially inserted into the handle 110.

Figure 2 is an exploded perspective view of an applicator according to the first embodiment of the present disclosure. FIG. 3A is a cross-sectional view of FIG. 1A taken along line Ⅰ-Ⅰ'. FIG. 3B is a cross-sectional view of FIG. 1A taken along line II-II'.

2 to 3B, the components of the applicator 100 according to the first embodiment of the present disclosure and the connection relationships between the components will be described.

The applicator 100 according to the first embodiment includes a handle 110, a cap 120, a support portion 130, one or more gears 140, a needle carrier 150, a needle holder 160, a needle 170, and Includes all or part of the transmitter holder 180.

The handle 110 is configured to be held by a user, and is preferably roughly cylindrical in shape.

The handle 110 includes all or part of a hook hole 111, one or more pressure rods 112, a first rack 113, and a hook seating groove 114.

The hook hole 111 is formed on the outer peripheral surface of the handle 110 and is configured to catch the hook 132. The hook hole 111 is preferably formed above half the height of the handle 110, that is, at the top.

One or more pressure rods 112 are rods that protrude inward from the inner ceiling surface of the handle 110 (see FIG. 3A). One or more pressure rods 112 are configured to pressure the needle carrier 150.

At this time, the one or more pressure rods 112 preferably include a pair of pressure rods 112 and 112' disposed in symmetrical positions with respect to the center of the handle 110. Because of this, when the needle carrier 150 is pressed by the handle 110, the needle carrier 150 can be pressed with the same overall force without being biased to one side. As a result, there is an advantage in that the needle carrier 150 can move stably when moving from the distal to the proximal, or when moving from the proximal back to the distal, and can provide a smooth feeling of use to the user.

The first rack 113 is formed on the inner peripheral surface of the handle 110 along the height direction of the handle 110. The first rack 113 is preferably formed as a pair with one or more gears 140 facing each other (see FIG. 3A).

The hook seating groove 114 is formed on the inner peripheral surface of the handle 110 and is configured to catch the hook 132. The hook seating groove 114 is preferably formed below half the height of the handle 110, that is, at the bottom. Because of this, the hook 132 can be fixed to the hook seating groove 114 in the initial state (see Figure 3b).

Meanwhile, the hook 132 may be formed to protrude more from the top to the bottom. Additionally, it is configured to have a lower surface parallel to the horizontal surface. The hook seating groove 114 may be formed to correspond to the shape of the hook 132. Because of this, the hook 132 provides engagement with the hook seating groove 114 in the initial state, so that the needle carrier 150 no longer moves proximally with respect to the handle 110.

The cap 120 is configured to cover at least a portion of the support portion 130 and can protect the interior of the applicator 100 from external contaminants or impacts. By removing the cap 120 from the handle 110, the user is ready to use the applicator 100.

At least a portion of the support portion 130 is configured to be inserted into the handle 110 and is configured to move linearly within the handle 110 as the handle 110 is pressed.

The support portion 130 may include a gear hole 131 and a hook 132.

The gear hole 131 is formed to accommodate one or more gears 140, and is preferably formed above half the height of the support portion 130, that is, at the top. One or more gears 140 within the gear hole 131 may rotate about one axis. It is preferable that the gear holes 131 are formed in pairs and arranged to face each other.

The hook 132 protrudes radially outward from the outer peripheral surface of the support portion 130. The hook 132 may be caught in the hook seating groove 114 in the initial state (see FIG. 3B), and the hook 132 may be caught in the hook hole 111 when the handle 110 is pressed all the way.

One or more gears 140 are disposed on the support portion 130 and are configured to rotate along one axis. At this time, the one or more gears are preferably spur gears, and a pair may be arranged parallel to each other.

One or more gears 140 may rotate along a portion of the handle 110 or may rotate along a portion of the needle carrier 150. Specifically, it is configured to rotate in engagement with the first rack 113 of the handle 110 or the second rack 152 of the needle carrier 150.

The needle carrier 150 is configured to move linearly within the support portion 130. The needle carrier 150 may engage with one or more gears 140 and move in a straight line by rotation of the one or more gears 140. Regarding the movement of the needle carrier 150, it will be described in detail in FIG. 4.

The needle carrier 150 includes all or part of the rod grip portion 151, the second rack 152, and the through hole 153.

The rod grip portion 151 is configured to primarily contact the pressing rod 112 as the handle 110 is pressed and transmit the pressing force of the handle 110 to the needle carrier 150 (see FIG. 3A). At this time, the distance between the handle 110 and the needle carrier 150 can be maintained constant by the rod grip unit 151. In addition, when the handle 110 is pressed above a certain level, the rod grip portion 151 is configured to surround at least a portion of the outer peripheral surface of the pressing rod 112 and move along the height direction of the pressing rod 112. Because of this, the distance between the handle 110 and the needle carrier 150 may gradually decrease. The relationship between the rod grip portion 151 and the pressure rod 112 will be described in detail in FIG. 4.

The rod grip portion 151 preferably includes a pair of rod grip portions 151 and 151' disposed in symmetrical positions with respect to the center of the handle 110. At this time, the pair of rod grip portions 151 and 151' will be arranged to face the pair of pressure rods 112 and 112', respectively.

The rod grip portion 151 may have an end substantially clamp-shaped in order to surround the pressing rod 112. However, in the initial state, it is preferable to move downward by being pressed by the pressure rod 112, so it is preferable that the shortest distance between both ends of the clamp is smaller than the diameter of the pressure rod 112.

The second rack 152 is formed on the outer peripheral surface of the needle carrier 150 along the height direction of the needle carrier 150. The second rack 152 is preferably formed as a pair with one or more gears 140 facing each other (see FIG. 3A).

The through hole 153 is formed at the center of the needle carrier 150 and is formed to penetrate the needle carrier 150. The needle holder 160 may be press-fitted into the through hole 153.

The needle holder 160 is constrained to the linear movement of the needle carrier 150 and is configured to move linearly together. For this purpose, it is preferable that the needle carrier 150 is frictionally coupled to the through hole 153. However, the present disclosure is not limited to this, and any method of bonding using adhesive or structural bonding may be used.

The needle 170 is coupled to the needle holder 160, is constrained to the linear movement of the needle holder 160, and is configured to move linearly together. The needle 170 is configured to penetrate the user's skin.

The transmitter holder 180 is coupled with the transmitter 10 and is configured to linearly move the transmitter 10 from distal to proximal. Meanwhile, the transmitter holder 180 moves only in a direction from distal to proximal.

Figure 4 shows the operation of the applicator according to the first embodiment of the present disclosure. Meanwhile, note that in FIG. 4, the transmitter 10 is omitted from the drawing to show the structure of the applicator 100 in more detail.

Figure 4(a) shows the state before the handle 110 is pressed, that is, the initial state. Referring to (a) of FIG. 4, in the initial state, the handle 110, needle carrier 150, needle holder 160, needle 170, and transmitter holder 180 are disposed distally.

Additionally, one or more gears 140 are facing the second rack 152 and are not facing the first rack 113.

Additionally, the rod grip portion 151 is only in contact with the pressurizing rod 112.

Figure 4(b) shows a state in which the handle 110 is pressed to about half and the needle 170 is inserted into the skin.

Referring to (b) of FIG. 4, when the handle 110 is pressed, the pressing rod 112 presses the rod grip portion 151. At this time, as described above, since the shortest separation distance between both ends of the rod grip portion 151 is smaller than the diameter of the pressure rod 112, the pressing force applied to the handle 110 is directly transmitted to the needle carrier 150 through the rod grip portion 151. ), is transmitted to the needle holder 160 and the needle 170. At this time, the rod grip portion 151 is pressed by the pressure rod 112, but the pressure rod 112 is not inserted between both ends of the clamp. For this reason, the distance between the handle 110 and the needle carrier 150 in the initial state and the distance between the handle 110 and the needle carrier 150 in a state in which the handle 110 is pressed to about half may be the same.

Meanwhile, as the needle carrier 150 moves proximally, one or more gears 140 engage and rotate with the second rack 152. At this time, one or more gears 140 rotate in opposite directions, with the gear 140 shown on the left rotating clockwise and the gear 140 shown on the right rotating counterclockwise.

Preferably, the one or more gears 140 face the distal end of the second rack 152 when the needle 170 is inserted to its maximum depth into the user's skin.

The transmitter holder 180 moves from distal to proximal together with the movement of the needle carrier 150.

Figure 4(c) shows a state in which the handle 110 is pressed all the way.

Referring to (c) of FIG. 4, when the handle is pressed above a certain level, the pressing rod 112 may be inserted between both ends of the rod grip portion 151. At this time, the pressure rod 112 moves along the longitudinal direction of the rod grip portion 151, and as the handle 110 is pressed, the distance between the handle 110 and the needle carrier 150 decreases.

One or more gears 140 face the first rack 113 and rotate as the first rack 113 moves downward. At this time, the rotation direction of one or more gears 140 rotates in the opposite direction to the rotation direction in (b) of FIG. 4. That is, the gear 140 shown on the left rotates counterclockwise, and the gear 140 shown on the right rotates clockwise.

As one or more gears 140 rotate, they engage with the second rack 152 again. Meanwhile, due to rotation of the one or more gears 140 in opposite directions, the needle carrier 150 moves from proximal to distal. This causes the needle holder 160 and needle 170 to move from proximal to distal. Because of this, the needle 170 can be pulled out from the user's skin.

Meanwhile, the transmitter holder 180 is formed so as not to be separately fastened to the needle carrier 150. This allows the transmitter holder 180 to remain proximal even if the needle carrier 150 moves from the proximal back up.

The applicator 100 according to the first embodiment of the present disclosure allows the user to hold the handle 110 and press it once from distal to proximal, and the needle 170 is applied to the skin according to the fastening relationship between the internal gears and the rack. It has the advantage of being simple to operate since it can be inserted and pulled out, and is easy to manufacture due to the small number of parts.

2. 제2 실시예2. Second embodiment

Specifically, Figure 5a shows a state in which the cap 220 is mounted, and Figure 5b shows a state in which the cap 220 is removed.

The applicator 200 according to the second embodiment of the present disclosure includes a handle 210 and a cap 220 configured to be mounted on the handle 210 (see FIG. 5A).

When the cap 220 is removed from the handle 210, all or part of the support portion 230 is exposed (see FIG. 5B). The support portion 230 is in direct contact with the user's skin and is formed to be at least partially inserted into the handle 210.

Figure 6 is an exploded perspective view of an applicator according to a second embodiment of the present disclosure. Figure 7 is a cross-sectional view taken along line II' of Figure 5b.

With reference to FIGS. 6 and 7 , the components of the applicator 200 according to the second embodiment and the connection relationships between the components will be described.

The applicator 200 according to the second embodiment includes a handle 210, a support portion 230, one or more cranks 240, one or more connecting rods 250, a needle carrier 260, a needle 270, and a transmitter holder ( 280) and all or part of the cap 220.

The handle 210 is configured to be held by a user, and is preferably approximately cylindrical in shape.

At least a portion of the support portion 230 is configured to be inserted into the handle 210, and is configured to move linearly within the handle 210 as the handle 210 is pressed.

Preferably, the support portion 230 may be manufactured by injection molding. At this time, the first component 230a and the second component 230b may be manufactured separately, and the first component 230a and the second component 230b may be assembled to form the support portion 230.

The support portion 230 includes a crank shaft 231 that protrudes radially inward from one surface. One or more cranks 240 may be coupled to the crank shaft 231.

One or more cranks 240 are configured to rotate and linearly move within the handle 210. Meanwhile, in the present disclosure, it is assumed that there are two cranks 240, but it should be noted that there may be one or three or more cranks, and that this may be appropriately changed by the designer.

The one or more cranks 240 include a first crank 241 and a second crank 242. The first crank 241 and the second crank 242 may preferably be manufactured by injection molding. At this time, each crank may be formed by assembling the

first assemblies

241a and 242a and the

second assemblies

241b and 242b.

One or more cranks 240 may rotate along a rack 211 (see FIG. 7) formed inside the handle 210. The rack 211 may be formed on the inner bottom surface of the handle 210, extending along the height direction. Also, preferably, the racks 211 may be arranged one by one in radially opposite directions so that a pair of racks 211 face each other. The first crank 241 and the second crank 242 are arranged to face each rack 211.

When the support portion 230 and the crank 240 are formed by assembling two parts, the manufacturing difficulty of the applicator 200 is lowered and the manufacturing cost is reduced.

One or more connecting rods 250 have one end fastened to the crank 240 and the other end fastened to the needle carrier 260. Specifically, one connecting rod 250 includes a first insertion hole 253 formed at one end, and a first rod protrusion 244 is inserted into the first insertion hole 253. Additionally, one connecting rod 250 includes a second insertion hole 254 formed at the other end, and a rod fixing protrusion 261 is inserted into the second insertion hole 254.

One or more connecting rods 250 may include a first connecting rod 251 and a second connecting rod 252. The first connecting rod 251 is fastened to the first crank 241, and the second connecting rod 252 is fastened to the second crank 242.

Needle carrier 260 may be subject to rotational and linear motion of one or more cranks 240 to linearly move between distal and proximal positions. At this time, the needle carrier 260 is connected to one or more cranks 240 and the connecting rod 250.

The needle carrier 260 is coupled with the needle 270 and is configured to move the needle 270 linearly from distal to proximal. Additionally, as needle carrier 260 moves from proximal to distal, needle 270 also moves from proximal to distal.

The needle carrier 260 may be formed by assembling two

different parts

260a and 260b.

The transmitter holder 280 is coupled with the transmitter 20 and is configured to move the transmitter 20 linearly from distal to proximal. Meanwhile, the transmitter holder 280 moves back and forth between the distal and proximal sides, but the transmitter 20 moves only in a direction from the distal to the proximal.

Figure 8(a) shows the state before the handle 210 is pressed.

Referring to (a) of FIG. 8, one or more cranks 240 are disposed at the distal end of the rack 211. The support portion 230 is in contact with the skin, and the transmitter 20 and the transmitter holder 280 are in a distal state spaced apart from the skin. Additionally, one end of the connecting rod 250 is disposed most distally with respect to one or more cranks 240.

Figure 8(b) shows a state in which the handle 210 is pressed to about half and the needle 270 is inserted into the skin.

Referring to (b) of FIG. 8, while the handle 210 is pressed, one or more cranks 240 rotate. Specifically, the crank 240 disposed on the right rotates clockwise, and the crank 240 disposed on the left rotates counterclockwise, but it has not rotated one rotation but only about half a rotation, and the crank 240 disposed on the left rotates counterclockwise. It may be placed in a department. Because of this, the handle 210 will be moved along the support portion 230 by only the total moving distance.

In the state (b) of FIG. 8, the transmitter 20 and the transmitter holder 280 are in a proximal state in contact with the skin. Additionally, one end of the connecting rod 250 is disposed most proximally with respect to one or more cranks 240.

Figure 8(c) shows a state in which the handle 210 is pressed all the way and the needle 270 is retracted from the skin.

Referring to (c) of FIG. 8, as the handle 210 is further pressed, one or more cranks 240 rotate. Specifically, the crank 240 disposed on the right is rotated clockwise, and the crank 240 disposed on the left is rotated the remaining half turn counterclockwise, and is disposed at the distal end of the rack 211. Because of this, the handle 210 will have moved the entire total distance along the support portion 230. Additionally, one end of the connecting rod 250 is again disposed distal to the one or more cranks 240.

In the state (c) of Figure 8, the transmitter 20 is attached to the skin, and the needle carrier 260 is dependent on the movement of the connecting rod 250 and moves distally together. Due to this, the needle 270 that was inserted into the skin is pulled out from the skin.

In summary, while the handle 210 moves one way from the distal to the proximal through the process of (a) to (c) of Figure 8, the needle carrier 260 moves from the distal to the proximal and then again from the proximal to the distal. Round trip. Because of this, a reciprocating stroke in which the needle 270 is inserted and withdrawn is possible with just the user's action of pressing the handle.

FIG. 9A is a cross-sectional view of FIG. 5B taken along line II-II'.

Referring to FIG. 9A, the handle 210 includes a first locking portion 212 and a second locking portion 213.

The first locking portion 212 protrudes radially inward from the inner peripheral surface of the handle 210.

The second locking portion 213 protrudes radially inward from the inner peripheral surface of the handle 210 and is formed distal to the first locking portion 212. An inclined surface is formed on the lower surface of the second locking portion 213, but the upper surface may be formed parallel to the horizontal direction.

The support portion 230 may further include ribs 232. The ribs 232 protrude radially outward from the outer peripheral surface of the support portion 230.

(a) of FIG. 9A shows the state before the handle 210 is pressed.

Referring to (a) of FIG. 9A, the rib 232 of the support portion 230 is caught by the first locking portion 212 of the handle 210, and the proximal movement of the rib 232 may be prevented. That is, the rib 232 is hung on the first locking portion 212, so that the handle can be prevented from falling distally, that is, upward, in the state shown in (a) of FIG. 9A.

Figure 9a (b) shows a state in which the handle 210 is pressed all the way.

Referring to (b) of FIG. 9A, the rib 232 of the support portion 230 is caught by the second locking portion 213 of the handle 210, and the proximal movement of the rib 232 may be prevented. That is, the rib 232 is caught on the second locking portion 213, preventing the handle from falling upward in the state (b) of FIG. 9A. If the handle 210 is removed from the support part 230 in the state (b) of FIG. 9A, there may be a risk of reuse, but the second locking part 213 has the effect of preventing reuse.

Figure 9b is a cross-sectional view of Figure 5b taken along line III-III'.

At this time, Figure 9b shows the applicator 200 in a state in which the handle 210 is completely pressed.

Referring to FIG. 9B, the support portion 230 according to the second embodiment of the present disclosure may further include a fixing groove 233. The fixing groove 233 is recessed radially outward from the inner peripheral surface of the support part 230, and is preferably formed at a position spaced apart from the bottom of the support part 230 by the height of the transmitter holder 280.

Additionally, the transmitter holder 280 includes a separation prevention protrusion 281. The separation prevention protrusion 281 is formed on the upper surface of the transmitter holder 280 and protrudes radially outward. The transmitter holder 280 can be mounted in the fixing groove 233.

At this time, the upper surface of the fixing groove 233 is formed parallel to the horizontal plane. This allows the transmitter holder 280 to move proximally and then stay in place rather than moving distally again.

Specifically, Figure 10 (a) shows a state before the handle 210 is pressed, and Figure 10 (b) shows a state when the handle 210 is pressed all the way.

Referring to FIG. 10, the support portion 230 according to the second embodiment of the present disclosure further includes a hook protrusion 234 that protrudes radially inward on the inner bottom surface of the support portion 230.

Additionally, the transmitter holder 280 may further include a transmitter support 230 and a hook 283.

The transmitter support portion 230 is configured to support the transmitter 20 at the distal end, and is configured to release the support force provided to the transmitter 20 at the proximal end. For this purpose, the transmitter support 230 is preferably configured in a cantilever shape, and a hook 283 may be disposed at the free end of the transmitter support 230.

The hook protrusion 234 is formed to be caught by the hook 283, and by hooking the hook 283 on the hook protrusion 234, the free end of the transmitter support portion 230 can be spread radially outward (see Figure 10). (see (b)).

3. 제3 실시예3. Third embodiment

Specifically, Figure 11a shows a state in which both the upper cap 310 and the lower cap 312 are mounted, Figure 11b shows a state in which the lower cap 312 is removed, and Figure 11c shows the upper cap 310 and the lower cap ( 312) shows the state in which all have been removed.

The applicator 300 according to the third embodiment of the present disclosure includes an upper cap 310 and a lower cap 312 coupled to the upper cap 310 (see FIG. 11A).

When the lower cap 312 is removed from the upper cap 310, the support portion 320 configured to cover the lower portion by the upper cap 310 and lower cap 312 is revealed (see Figure 11b).

When the upper cap 310 is removed from the support part 320, the support part 320, push cap 330, and rotation guide 340 are revealed (see Figure 11c). At this time, the rotation guide 340 is disposed between the push cap 330 and the support portion 320 to surround a portion of the outer peripheral surface of the push cap 330.

The push cap 330 is coupled to the rotation guide 340 and is configured to move linearly along the rotation guide 340.

The rotation guide 340 is surrounded by a support portion 320.

The upper cap 310, lower cap 312, support portion 320, and push cap 330 according to the third embodiment of the present disclosure are preferably substantially cylindrical in shape, but are not necessarily limited thereto.

With reference to FIG. 12 , the components of the applicator 300 according to the third embodiment and the connection relationships between the components will be described.

The applicator 300 according to the third embodiment includes an upper cap 310, a lower cap 312, a support part 320, a push cap 330, a rotation guide 340, a rotation block 350, and a needle part 360. ) and all or part of the spring 370 and the transmitter holder 380.

The upper cap 310 and lower cap 312 are configured to cover at least a portion of the support portion 320 and can protect the interior of the applicator 300 from external contaminants or impacts.

At least a portion of the support portion 320 is configured to be inserted into the upper cap 310 and the lower cap 312, and is configured to surround a portion of the outer peripheral surface of the push cap 330. The support portion 320 becomes a portion that directly contacts the skin during use of the applicator 300.

The push cap 330 is configured to be pressed by the user and is configured to move linearly along the height direction of the support portion 320.

The rotation guide 340 is formed to surround a portion of the outer peripheral surface of the push cap 330. At this time, the push cap 330 is inserted into the upper hole 341 of the rotation guide 340. Additionally, the push cap 330 can move linearly along the rotation guide 340. At this time, the push cap guide protrusion 331 formed on the outer peripheral surface of the push cap 330 is inserted into the push cap guide 342 formed on the upper surface of the rotation guide 340 to guide the linear movement of the push cap 330. .

Meanwhile, it is preferable that a plurality of push cap guide protrusions 331 are arranged at equal intervals along the outer peripheral surface of the push cap 330, but this is not necessarily limited, and only one push cap guide protrusion 331 is sufficient.

The push cap 330 may further include a push bar 334. The push bar 334 is in contact with the rotation block 350 in the initial state and can transmit pressure provided by the user to the rotation block 350.

At least a portion of the rotation block 350 is disposed inside the rotation guide 340, and can move linearly from distal to proximal by pressing the push cap 330. The rotation block 350 can rotate by a certain angle within the rotation guide 340. The rotated rotation block 350 moves linearly from proximal to distal along the rotation guide 340. In relation to this, it is explained in detail in FIG. 15.

The rotating block 350 includes a body 351 and guide wings 352.

The body 351 has an open upper surface and preferably has a substantially cylindrical shape. The body 351 rotates and moves linearly inside the rotation guide 340.

The guide vane 352 protrudes radially outward from the outer peripheral surface of the body 351. The guide vane 352 is interposed in the rotation guide 340 through the main hole 345 (see FIG. 15) of the rotation guide 340. The upper surface of the guide vane 352 is composed of an inclined surface 353. The inclination direction of the inclined surface 353 corresponds to the shape of the first seating hole 343 (see FIG. 15) and the second seating hole 344 (see FIG. 15). The movement of the guide vane 352 will be described in detail in FIG. 15.

Meanwhile, the end of the push bar 334 is preferably formed to have a shape corresponding to the inclined surface 353 of the guide vane 352. That is, the lower surface of the push bar 334 is composed of an inclined surface and may be formed parallel to the inclined surface 353 of the rotating block 350.

The needle portion 360 is configured to engage the rotation block 350 to move the needle 362 linearly from distal to proximal. Additionally, when the needle portion 360 moves from proximal to distal, the needle 362 also moves from proximal to distal. The needle portion 360 includes a coupling portion 361 that can be coupled to the rotating block 350 and a needle 362 that penetrates the skin.

The coupling portion 361 includes a circular plate-shaped member and a rod that protrudes laterally from the outer peripheral surface of the plate-shaped member. In this case, a plurality of rods may be formed. The coupling portion 361 is coupled to the rotation block 350 and may be guided by the rotation guide 340.

One end of the spring 370 is fastened to the push cap 330, and the other end is fastened to the rotation block 350. In the initial state, the spring 370 is placed between the push cap 330 and the rotation block 350 in a tensioned state.

The transmitter holder 380 is coupled with the transmitter 30 and is configured to move the transmitter 30 linearly from distal to proximal. Meanwhile, the transmitter holder 380 moves back and forth between the distal and proximal sides, but the transmitter 30 moves only in a direction from the distal to the proximal.

FIGS. 13A and 13B are for explaining the coupling between internal components of the applicator 300 according to the third embodiment of the present disclosure.

Specifically, Figure 13a shows the initial state in which the push cap 330, rotation guide 340, rotation block 350, and transmitter holder 380 are combined, and Figure 13b shows the rotation block 350 and This shows the state in which the needle part 360 is coupled.

Referring to FIG. 13A, the push cap 330 may be inserted into the rotation guide 340 through the upper hole 341 formed on the upper surface of the rotation guide 340.

The guide vane 352 of the rotation block 350 may be inserted into a hole formed in the rotation guide 340.

The needle portion 360 may be coupled to the rotation guide 340 by interposing the coupling portion 361 in the needle guide 346 formed on the outer peripheral surface of the rotation guide 340. The needle guide 346 may be formed between a plurality of main holes 345 (see FIG. 15).

The transmitter holder 380 can be coupled to the rotation guide 340 by being inserted into the main hole 345 of the rotation guide 340.

Referring to FIG. 13B, the rotation block 350 may further include a needle mounting portion 355 that protrudes downward from the outer bottom surface. The needle coupling portion 361 is formed to be coupled to the needle mounting portion 355.

Figure 14 shows a method of fastening a spring according to a third embodiment of the present disclosure. Referring to FIG. 14 , a detailed configuration of the spring 370 engaging the push cap 330 and the rotation block 350 will be described.

Figure 14 (a) is for explaining the coupling relationship between the push cap 330 and the spring 370, and shows the inner surface of the push cap 330 and the spring 370 viewed from a front perspective perspective.

Referring to (a) of FIG. 14, the push cap 330 includes a first spring holder 332 formed on the upper surface. One end of the spring 370 may be caught on the first spring holder 332.

Figure 14 (b) is for explaining the coupling relationship between the rotation block 350 and the spring 370, and shows the rotation block 350 and the spring 370 viewed from a front perspective perspective.

Referring to (b) of FIG. 14, the rotation block 350 includes a second spring holder 354 that protrudes inward from the inner bottom. The other end of the spring 370 may be caught on the second spring holder 354. At this time, the second spring holder 354 protrudes from the inner bottom surface of the body 351.

That is, the push cap 330 and the rotation block 350 are connected with a spring 370 therebetween, and at this time, the spring 370 is in a tensioned state in the initial state, and is preferably tensioned and rotated in one direction. It is in a state of being Because of this, the spring 370 may be compressed and have the potential to rotate in the opposite direction.

Meanwhile, in the initial state, the distance between the push cap 330 and the rotation block 350 can be maintained by the push bar 334 (see FIG. 12) of the push cap 330.

The first row of FIG. 15 shows the front of the applicator 300, and the second row shows the cross section of the applicator 300. At this time, the cross section is cut along II' of the combined state of the push cap 330 and the rotation guide 340 of Figure 11c.

Referring to FIG. 15, the push cap 330 may further include a locking protrusion 333 that protrudes radially outward from the outer peripheral surface. The locking protrusion 333 may be caught on the outer upper surface of the rotation guide 340. Due to this, the applicator 300 can be prevented from being triggered by the user accidentally pressing the push cap 330. Meanwhile, when more than a predetermined pressure is applied to the locking protrusion 333, the lock between the locking protrusion 333 and the push cap 330 may be released. That is, the applicator 300 according to the third embodiment of the present disclosure can naturally induce the user to press the push cap 330 with more than a predetermined force.

Additionally, the rotation guide 340 may further include a first seating hole 343, a second seating hole 344, and a main hole 345.

The first seating hole 343 is formed on the outer peripheral surface of the rotation guide 340 and is formed to seat the guide blade 352. For this purpose, the first seating hole 343 preferably has the same shape as the inclined surface 353 of the guide blade 352.

The second seating hole 344 is formed on the outer peripheral surface of the rotation guide 340 and is formed to seat the guide blade 352. At this time, the second seating hole 344 is formed adjacent to the first seating hole 343. The angle between the second seating hole 344 and the first seating hole 343 is preferably formed to be smaller than the angle at which the spring 370 is rotated in its initial state.

The main hole 345 is formed on the outer peripheral surface of the rotation guide 340, and is formed lower than the first seating hole 343 and the second seating hole 344. The first seating hole 343 and the second seating hole 344 are shaped to merge into the main hole 345 at the bottom. In other words, the first seating hole 343 and the second seating hole 344 branch from the main hole 345.

Below, the operating method of the applicator 300 described above will be described in detail.

Figure 15(a) shows the state before the push cap 330 is pressed.

Referring to the front view of Figure 15 (a), the push cap 330 and the rotation block 350 are disposed distally. At this time, the guide vane 352 of the rotation block 350 is seated in the first seating hole 343. Referring to the cross-sectional view of Figure 15 (a), in the initial state, the push bar 334 is pressing the inclined surface 353 of the guide vane 352, so the push cap 330 and the rotation block 350 are spaced apart by a certain distance. It is done. Accordingly, the spring 370 is in a state of tension and rotation.

Figure 15(b) shows a state in which the push cap 330 is pressed and the rotation block 350 moves from the distal to the proximal position. At this time, the guide vane 352 of the rotation block 350 is moved proximally while being arranged in parallel with the first seating hole 343. Referring to the cross-sectional view of Figure 15 (b), the push bar 334 is still pressing the inclined surface 353 of the guide vane 352, and the push cap 330 and the rotation block 350 are spaced apart by a certain distance. . Additionally, the spring 370 is still tensioned and rotated.

Figure 15 (c) shows a state in which the push cap 330 is pressed and the rotation block 350 rotates proximally in one direction and in the opposite direction. At this time, the guide vane 352 of the rotation block 350 rotates in the opposite direction of one direction in the proximal state. This means that the spring 370 rotates due to the potential held by the spring 370 until process (b). Meanwhile, due to the rotation of the spring 370, the rotation block 350 coupled to the spring 370 also rotates.

Referring to both the front view and the cross-sectional view of Figure 15 (c), due to the rotation of the rotation block 350, the inclined surface 353 of the guide vane 352 no longer faces the push bar 334. As a result, there is no structure that prevents the guide vane 352 from moving distally, and the spring 370 can be compressed.

Figure 15(d) shows a state in which the rotation block 350 moves from the proximal to the distal while the push cap 330 is pressed. As the spring 370 is compressed, the rotating block 350 is seated in the second seating hole 344. As described above, since the push bar 334 and the guide vane 352 are placed in staggered positions, the rotation block 350 can move distally.

Meanwhile, in the present disclosure, steps (a) to (d) of FIG. 15 are shown as being performed at regular time intervals, but steps (b) to (d) are performed at the moment the user presses the push cap 330. It is due to Therefore, since it is performed faster than the average user's recognition speed, the user has the advantage of being able to use the applicator 300 simply and without much pain.

In addition, when using the applicator 300 according to the third embodiment of the present application, the needle can be inserted and withdrawn into the skin simply by the user pressing the push cap 330, which is intuitive and simple, and pain is minimized. There is an advantage to being able to do it.

4. 제4 실시예4. Fourth embodiment

Specifically, Figure 16a shows a state in which the cap 420 is installed, and Figure 16b shows a state in which the cap 420 is removed.

The applicator 400 according to the fourth embodiment of the present disclosure includes a handle 410 and a cap 420 that is detachable from the handle 410 (see FIG. 16A).

When the cap 420 according to the fourth embodiment of the present disclosure is removed from the handle 410, a portion of the cylinder 430 is exposed (see FIG. 16B). At this time, at least a portion of the piston 440 is inserted into the handle 410.

Figure 17 is an exploded perspective view of an applicator according to a fourth embodiment of the present disclosure. Figure 18 is a cross-sectional view taken along line II' of Figure 16a. 17 and 18, the components of the applicator 400 according to the fourth embodiment and the connection relationships between the components will be described. Meanwhile, Figure 18 shows the applicator 400 after it is manufactured and before use, and when the cap 420 is removed, it is in an initial state for use.

The applicator 400 according to the fourth embodiment includes all or part of a handle 410, a cap 420, a cylinder 430, a piston 440, and a transmitter holder 450.

The handle 410 is configured to be held by a user, and is preferably roughly cylindrical in shape. The upper surface is covered by the handle cover 411. The handle cover 411 is coupled to the handle 410 to form an internal receiving space, making the assembly process easier since only the handle cover 411 needs to be assembled in the final step after internal assembly of the applicator 400. has advantages. However, the present disclosure is not limited to this, and the handle 410 and the handle cover 411 may be formed as one piece depending on the designer's selection.

The cap 420 is configured to be mounted on or removed from the handle 410 and can protect the inside of the applicator 400 from external contaminants or impacts. The cap 420 is preferably approximately cylindrical.

At least a portion of the cylinder 430 is configured to be inserted into the handle 410. The cylinder 430 includes a first body 431 and a second body 432 disposed below the first body 431. Preferably, the diameter of the first body 431 is smaller than the diameter of the second body 432.

The cylinder 430 is in direct contact with the user's skin when the applicator 400 is used.

The piston 440 is configured to be at least partially inserted into the cylinder 430. The outer diameter of the piston 440 is the same as or slightly smaller than the inner diameter of the first body 431. Because of this, the piston 440 is press-fitted into the first body 431, and the space formed between the first body 431 and the piston 440 has limited fluid communication with the outside air.

A rubber packing 441 is coupled to the end of the piston 440. The interior of the first body 431 into which the piston 440 is inserted may be sealed by a rubber packing 441 and a packing 430a. Meanwhile, the rubber packing 441 may be formed by double injection into the piston 440 in the manufacturing stage, but is not necessarily limited thereto.

The piston 440 has a flange 443 formed on one side. The diameter of the flange 443 is larger than the inner diameter of the first body 431 and smaller than the inner diameter of the second body 432.

Additionally, a needle 442 is attached to one surface of the flange. The needle 442 is configured to be inserted through the user's skin and can penetrate the transmitter holder 450 and the transmitter (not shown).

The transmitter holder 450 is coupled with a transmitter (not shown) and is configured to move the transmitter linearly from distal to proximal. Meanwhile, it is desirable that the transmitter holder 450 and the transmitter move only in a direction from the distal to the proximal.

The transmitter holder 450 is configured to move by applying pressure from the distal to the proximal direction of the piston 440, which will be described in detail in FIG. 19.

Figure 19 shows the operation of the applicator according to the fourth embodiment of the present disclosure. Specifically, FIG. 19 shows the process of operating the applicator 400 as a cross-sectional view taken along line II' of FIG. 16A.

Referring to FIG. 19, the handle 410 includes a cantilever-shaped hook 413 with one free end. The hook 413 is disposed on the inner peripheral surface of the handle 410 and is configured to engage with the flange 443 of the piston 440. At this time, the fixed end of the hook 413 is preferably disposed lower than the free end. This allows the hook 413 to press the flange 443 in the direction of movement while the piston 440 moves from distal to proximal.

Meanwhile, the cylinder 430 includes a hook resistance portion 433. The hook resistance portion 433 protrudes radially inward from the inner peripheral surface of the cylinder 430. The hook resistance unit 433 is configured to disengage the hook 413. Hereinafter, the operation method of the hook 413 and the hook resistance unit 433 will be described.

Figure 19(a) shows the state before the handle 410 is pressed.

Referring to (a) of FIG. 19, the handle 410 is spaced apart from the user's skin. Additionally, the piston 440 is press-fitted into the first body 431 of the cylinder 430. There is a very small amount of air between the piston 440 and the first body 431, so it is preferable that it is in a subvacuum state.

The hook 413 of the handle 410 is engaged with the flange 443.

Transmitter holder 450 is supported by handle 410 and is disposed distally. The configuration in which the transmitter holder 450 is supported by the handle 410 will be described in detail in FIG. 20.

Figure 19(b) shows a state in which the handle 410 is pressed and the needle 442 is inserted into the skin.

Referring to (b) of FIG. 19, while the user presses the handle 410, the piston 440 moves from distal to proximal. Meanwhile, as the handle 410 moves proximally, the hook 413 comes into contact with the hook resistance portion 433, and as the handle 410 moves further proximally, the hook 413 moves outward. In other words, as the hook 413 is moved away by the hook resistance portion 433, the coupling between the hook 413 and the flange 443 may be released. Because of this, the transmitter holder 450 may no longer be restricted to the movement of the piston 440.

Meanwhile, the movement of the piston 440 from distal to proximal causes the needle 442 to be inserted into the user's skin.

In the state of Figure 19 (b), the volume between the piston 440 and the first body 431 increases, and the internal pressure becomes very small. Due to this, the piston receives a force to retreat back to the distal position. At this time, since the hook 413 of the handle 410 no longer restrains the flange 443 of the piston 440, the piston 440 can return to the distal position again.

Meanwhile, since the flange 443 of the piston 440 is no longer fastened to the hook 413, the piston 440 is not constrained by the pressure of the handle 410. Because of this, even if the handle 410 is pressed again, the state of the piston 440 will not change while inserted into the distal end of the cylinder 430. That is, reuse of the applicator 400 becomes impossible.

Since the needle is inserted into the user's skin once, reusing it can expose the user to various diseases and infections. Therefore, it may be used in cases where reuse of the applicator is unnecessary. The applicator 400 according to the fourth embodiment of the present disclosure can be structurally prevented from being reused.

Figure 19(c) shows the state in which the needle 442 is pulled out from the skin.

Referring to (c) of FIG. 19, the handle 410 is located proximally, and the piston 440 moves from the proximal to the distal. Due to the movement of the piston 440, the needle 442 inserted into the user's skin may be pulled out. The piston 440 is reinserted into the first body 431.

The transmitter holder 450 remains proximal, that is, close to the skin.

FIG. 20 shows the initial state. Referring to FIG. 20, the configuration for preventing triggering in the initial state and the coupling relationship between the transmitter holder 450 and the handle 410 will be explained.

Referring to FIG. 20 , the handle 410 includes a first anti-advance protrusion 414 . The first advance prevention protrusion 414 protrudes radially inward from the inner peripheral surface of the handle 410.

Additionally, the cylinder 430 includes a second advance prevention protrusion 434. The second advance prevention protrusion 434 protrudes radially outward from the outer peripheral surface of the cylinder 430.

In the initial state, the first advancement prevention protrusion 414 and the second advancement prevention protrusion 434 face each other, and specifically, the lower surface of the first advancement prevention protrusion 414 and the second advancement prevention protrusion 434 ) can face each other.

Meanwhile, the lower surface of the first advancement prevention protrusion 414 and the upper surface of the second advancement prevention protrusion 434 are preferably configured to be inclined from distal to proximal. For this reason, the handle 410 is not pressed by a force less than a certain amount, and the handle 410 can be moved from the distal to the proximal only when a force greater than a certain amount is applied. That is, in the initial state, it is possible to prevent the applicator 400 from being triggered by pressing the handle 410 due to an unexpected impact, etc., but when the user intends to use it, it is possible to induce a pressing force higher than the level that can be pressed all the way. There will be. As a result, a phenomenon in which the needle 442 is not inserted due to stopping in the middle when pressing the handle 410 can be prevented.

The handle 410 may further include a first fixing protrusion 412. The first fixing protrusion 412 protrudes radially inward from the inner peripheral surface of the handle 410.

Additionally, the transmitter holder 450 includes a second fixing protrusion 451. The second fixing protrusion 451 protrudes radially outward from the outer peripheral surface of the transmitter holder 450.

In the initial state, the first fixing protrusion 412 and the second fixing protrusion 451 are engaged with each other, and specifically, the second fixing protrusion 451 is disposed on the first fixing protrusion 412. Because of this, the transmitter holder 450 can be supported by the handle 410.

Meanwhile, the upper surface of the first fixing protrusion 412 and the lower surface of the second fixing protrusion 451 are preferably formed parallel to the horizontal plane. Because of this, in the initial state, the transmitter holder 450 can be stably fixed without being separated from the distal position.

Figure 21 shows the state after the needle is returned after triggering, and the configuration for preventing reuse of the applicator 400 will be described with reference to Figure 21.

Referring to FIG. 21, the handle 410 may further include a first anti-retraction protrusion 415. The first anti-retraction protrusion 415 protrudes radially inward from the inner peripheral surface of the handle 410.

Additionally, the cylinder 430 may further include a second anti-retraction protrusion 435. The second anti-retraction protrusion 435 protrudes radially outward from the outer peripheral surface of the cylinder 430.

In the completed state, the first anti-retraction protrusion 415 and the second anti-retraction protrusion 435 face each other, and specifically, the second anti-retraction protrusion 435 is on the first anti-retraction protrusion 415. is placed in Because of this, the handle 410 can be prevented from retracting distally while being moved proximally.

Meanwhile, the upper surface of the first anti-retraction protrusion 415 and the lower surface of the second anti-retraction protrusion 435 are preferably formed parallel to the horizontal plane. Because of this, the handle 410 and the piston 440 may not be separated from the proximal position in a finished state. That is, since the piston 440 can no longer move from proximal to distal, the needle 442 can be prevented from protruding out of the applicator 400 again. This has the effect of preventing the user from being stabbed or injured by the contaminated needle 442 after use.

5. 제5-1 실시예5. Example 5-1

Referring to FIG. 22, the applicator 500 according to the 5-1 embodiment of the present disclosure includes a housing 510.

The housing 510 is configured to be held by a user, and is preferably in the shape of a hollow pillar. Additionally, the middle of the housing 510 may be concave so that the user can easily hold it as a whole. Meanwhile, the applicator 500 according to the 5-1 embodiment of the present disclosure is different from the previous first to fourth embodiments in that the applicator 500 is not triggered by direct pressure from the user, but is automatically triggered by pressing a button. It works.

To this end, the applicator 500 further includes a first button 520 and a second button 530.

The first button 520 is disposed on the upper surface of the housing 510 and is configured to be pressed downward.

The second button 530 is disposed on the outer peripheral surface of the housing 510 and is configured to be pressed toward the inside of the housing 510.

Figure 23 is an exploded perspective view of the applicator according to the 5-1 embodiment of the present disclosure. Figure 24 shows the interior of the applicator according to the 5-1 embodiment of the present disclosure.

23 and 24, the components of the applicator 500 according to the 5-1 embodiment of the present disclosure and the connection relationships between the components will be described.

The applicator 500 according to the fifth embodiment includes a housing 510, a first button 520, a second button 530, a driving unit 540, a needle carrier 550, a needle 560, and a transmitter holder 570. ) includes all or part of.

The bottom of the housing 510 is in contact with the user's skin, and is configured to insert the sensor mounted on the transmitter 50 into the user's skin.

Preferably, the housing 510 can be manufactured by injection molding. At this time, the first component 510a and the second component 510b may be manufactured separately, and the first component 510a and the second component 510b may be assembled to form the housing 510.

The housing 510 may include a housing fixing part 511, a drum 512, and a wheel fixing part 513.

The housing fixing part 511 is configured to be coupled to the first member 510a and the second member 510b. Specifically, the housing fixing portion 511 is configured to be fastened to the outer peripheral surface of at least a portion of the first component 510a and the second component 510b, preferably at the upper end. Because of this, the assembly of the first component 510a and the second component 510b can be stably fixed. When an external impact is applied to the applicator 500, there is a risk that the prefabricated housing 510 may be disassembled, but the housing fixing part 511 is used in the first configuration (510a) and the second configuration (510b). Since the connection is maintained firmly, there is an effect that disassembly of the applicator 500 can be prevented.

The drum 512 is formed to correspond to the overall shape of the spring so that the spring 541 can be disposed therein. As will be described later, since the spring 541 according to the fifth embodiment of the present disclosure is in the shape of a wound roll spring, the drum 512 is preferably formed in a substantially cylindrical shape.

A spring fixing groove 512a configured to hold the outer end 541a of the spring may be formed on the outer peripheral surface of the drum 512. The spring fixing groove 512a may have a shape in which at least a portion of the outer peripheral surface of the drum 512 is cut.

The wheel fixing portion 513 is disposed at the center of the drum 512 and protrudes radially inward from the inner peripheral surface of the second component 510b. The center of the wheel 542 penetrates the wheel fixing part 513, so that the wheel 542 can be stably mounted. In addition, the wheel fixing part 513 preferably has a smooth outer peripheral surface so that the wheel 542 can rotate around the wheel fixing part 513.

The first button 520 is configured to be inserted into the housing 510 and configured to be pressed in a direction from distal to proximal.

The second button 530 is configured to be inserted into the housing 510 and is configured to be pressed in a horizontal direction.

The applicator 500 can be triggered only when both the first button 520 and the second button 530 are pressed. At this time, the order in which the first button 520 and the second button 530 are pressed does not matter. That is, the first button 520 and the second button 530 can function as both a safety unlock button and a press button.

The driving unit 540 is configured to linearly move the needle carrier 550 and the needle 560 between the distal and proximal sides in response to the pressing of the first button 520 and the second button 530. To this end, the driving unit 540 may include a spring 541, a wheel 542, and a guide protrusion 543.

One end of the spring 541 is fastened to the wheel 542, and the other end is fastened to one surface of the drum 512. Here, one end refers to an end disposed inside the spring 541, and the other end refers to an end disposed outside the spring 541. One end is fixed by being caught on a protrusion (544, see FIG. 26) formed on the wheel 542, and the other end can be fixed by being caught by a fixing protrusion (not shown) provided separately on one side of the drum.

The spring 541 is a power source that provides power to enable linear movement of the needle carrier 550. At this time, the spring 541 is preferably a wound roll spring. The spring 541 is compressed and assembled in its initial state. By pressing the first button 520 and the second button 530, the fastener that secures the compression of the spring 541 is released, and the spring 541 is tensioned to return to its original state. As a result, the inner end of the spring 541 rotates in the direction opposite to the compressed direction. In other words, the principle of a type of Scotch Yoke or double slider crank mechanism in which the rotational movement of the spring 541 is converted into the linear movement of the needle carrier 550 and the needle 560 may be applied. In relation to this, it is explained in detail in FIG. 25.

The wheel 542 is combined with the drum 512 to form an internal receiving space. A spring 541 may be disposed in the receiving space formed between the wheel 542 and the drum 512. Additionally, the wheel 542 is coupled to the spring 541 and configured to rotate together with the rotation of the spring 541.

The guide protrusion 543 protrudes from one surface of the wheel 542 toward the inside of the applicator 500.

The needle carrier 550 is configured to move linearly within the housing 510. At this time, the linear movement of the needle carrier 550 may be caused by the rotational movement of the driving unit 540. To this end, the needle carrier 550 may include a lateral guide 551 and a longitudinal guide 553, and the needle carrier 550 may have an overall English letter T shape (see FIG. 24).

The guide protrusion 543 of the driving unit 540 may be inserted into the lateral guide 551. As the wheel 542 rotates, the guide protrusion 543 rotates, and accordingly, the guide protrusion 543 can move left and right along the lateral guide 551. This causes the needle carrier 550 to move linearly between the distal and proximal sides.

The lateral guide 551 is configured to be fastened to the first button 520, and can be moved only when fastened to the first button 520 is released. In relation to this, it is explained in detail in FIG. 26.

The longitudinal guide 553 extends from one surface of the transverse guide 551 in a direction from distal to proximal. The longitudinal guide 553 is coupled to the needle 560 and can fix the needle 560.

The longitudinal guide 553 is configured to be fastened to the second button 530, and can be moved only when fastened to the second button 530 is released. In relation to this, it is explained in detail in FIG. 27.

The needle 560 is coupled to the needle carrier 550 and is configured to move linearly together while being constrained by the linear motion of the needle carrier 550. The needle 560 is configured to penetrate the user's skin.

The transmitter holder 570 is coupled with the transmitter 50 and is configured to move the transmitter 50 linearly from distal to proximal. Transmitter holder 570 is pressed from distal to proximal by longitudinal guide 553. Meanwhile, the transmitter holder 570 moves only in a direction from distal to proximal.

Meanwhile, since the housing 510 according to the present disclosure is manufactured separately into two parts, during the manufacturing process of the applicator 500, the spring 541, the wheel 542, The needle carrier 550, the first component 510a, and the second button 530 may be stacked and assembled in that order. This has the advantage of simplifying the assembly process of the applicator 500 and reducing manufacturing costs.

Figure 25(a) shows a state in which at least one of the first button 520 and the second button 530 is not pressed, that is, in the initial state.

Referring to (a) of FIG. 25, the guide protrusion 543 is positioned at the most distal position, and accordingly, the needle carrier 550 will also be positioned at the distal position. Meanwhile, the spring 541 at this time will be in a tensioned state.

Meanwhile, as shown in (a) of FIG. 25, since at least one of the first button 520 and the second button 530 is not pressed, the needle carrier 550 presses the first button 520. Alternatively, proximal movement is restricted by the second button 530. Due to this, the movement of the guide protrusion 543, wheel 542, and spring 541 directly/indirectly connected to the needle carrier 550 is restricted.

Figure 25(b) shows a state in which both the first button 520 and the second button 530 are pressed and the needle 560 is inserted into the skin.

Referring to (b) of FIG. 25, while both the first button 520 and the second button 530 are pressed, the fastening between the first button 520 and the lateral guide 551 and the second button 530 The fastening between and the longitudinal guide 553 is released. Due to this, the movement of the needle carrier 550 from distal to proximal is no longer restricted. Accordingly, movement of the guide protrusion 543, wheel 542, and spring 541 directly/indirectly coupled to the needle carrier 550 is possible.

The spring 541 rotates in one direction (in FIG. 25 of the present disclosure, it is shown counterclockwise, but the opposite direction may also be used). However, in order to enable rotation in the opposite direction, the direction of the hook formed on the other end of the spring 541 must be in the opposite direction.

The guide protrusion 543 is disposed most proximally, and accordingly the needle carrier 550 is also disposed proximally. Meanwhile, the spring 541 will be in a half-tensioned state.

As needle carrier 550 moves proximally, needle 560 may also move proximally and be inserted into the user's skin.

Figure 25(c) shows a state in which the needle 560 is pulled out from the user's skin.

Referring to (c) of FIG. 25, the spring 541 further rotates in one direction.

Because of this, the guide protrusion 543 is disposed distally again, and the needle carrier 550 is also disposed distally accordingly. Meanwhile, the spring 541 will be completely untensioned, and no driving force will be generated by the spring 541.

As needle carrier 550 moves distally again, needle 560 may move distally and be withdrawn from the user's skin.

Figures 26 and 27 show the trigger prevention configuration of the applicator according to the 5-1 embodiment of the present disclosure. Specifically, Figure 26 shows fastening between the first button 520 and the longitudinal guide 553.

Referring to FIG. 26, the first button 520 of the present disclosure may further include an extension portion 521 and a stopping protrusion 522.

The extension portion 521 protrudes downward from the lower surface of the first button 520 and is configured to be inserted into one surface of the longitudinal guide 553. Preferably, a pair of extension portions 521 may be formed to face each other.

The stopping protrusion 522 protrudes from one surface of the extension portion 521. At this time, the protruding direction is preferably a direction toward the radial outside of the applicator 500 when the applicator 500 is assembled. In addition, the stopping protrusion 522 is preferably formed to be spaced apart from the lower surface of the first button 520. A trigger prevention unit 545, which will be described below, may be disposed in the space between the lower surface of the first button 520 and the catching protrusion 522.

The blocking protrusion 522 may face the driving unit 540, particularly a portion of the wheel 542, and prevent the wheel 542 from rotating.

The driving unit 540 may further include a spring fixing protrusion 544 and a trigger prevention unit 545.

A spring fixing protrusion 544 is formed on one surface of the wheel 542. At this time, one surface of the wheel 542 refers to the surface on which the spring 541 is disposed. One end of the spring 541 is fastened to the spring fixing protrusion 544, and through this, the relative positions of the spring 541 and the wheel 542 can be fixed. Meanwhile, here, the end of the spring 541 refers to the end disposed inside the spring 541. While the spring 541 is compressed to return to its original state from the tensioned state, the inner end of the spring 541 rotates. The spring fixing protrusion 544 and the spring 541 are coupled, so that the wheel 542 can rotate in response to the compression process of the spring 541.

The trigger prevention portion 545 is formed on the other surface of the wheel 542. At this time, the other surface of the wheel 542 is a surface formed in a direction opposite to the one surface, and refers to the surface facing the needle carrier 550. The trigger prevention portion 545 has an overall arc shape along the circumference of the other surface of the wheel 542 and may protrude from the other surface. Here, the protruding direction is preferably a direction toward the radial inside of the applicator 500 when the applicator 500 is assembled. That is, the locking protrusion 522 and the trigger prevention portion 545 are formed at positions where they can be engaged by protruding in opposite directions.

The needle carrier 550 may further include a first button engaging portion 554.

The first button engaging portion 554 is a type of groove or hole formed on the upper surface of the lateral guide 551, and at least a portion of the extension portion 521 of the first button 520 is inserted into this groove. do. In the initial state, the extension portion 521 of the first button 520 may not be inserted into the first button coupling portion 554. However, when the first button 520 is pressed, the extension portion 521 is preferably inserted into the first button engaging portion 554. Due to this, downward movement of the first button can be guaranteed.

To summarize the above, in the initial state, the locking protrusion 522 of the first button 520 is caught on the trigger prevention portion 545 of the wheel 542. At this time, when the first button 520 is pressed, the extension portion 521 is inserted into the first button engaging portion 554, and the first button 520 moves proximally. At this time, the locking protrusion 522 also moves proximally, and the locking of the trigger prevention portion 545 and the locking protrusion 522 is released. Because of this, the wheel 542 may be in a rotatable state.

Additionally, the needle carrier 550 may further include an insertion groove 552. The insertion groove 552 is a groove formed by recessing from one surface of the longitudinal guide 553. At this time, one side of the longitudinal guide 553 refers to the side facing the wheel 542. The guide protrusion 543 of the wheel 542 is inserted into the insertion groove 552, and the guide protrusion 543 can move left and right in the insertion groove 552.

Figure 27 shows fastening between the second button 530 and the lateral guide 551.

Referring to FIG. 27, the second button 530 may further include an extension 531 and a hook 532.

The extension portion 531 protrudes from the lower surface of the second button 530 and is configured to be inserted into one surface of the lateral guide 551. At this time, the protruding direction is preferably toward the radial inside of the applicator 500 when the applicator 500 is assembled. Preferably, a pair of extension portions 531 may be formed to face each other.

The hook 532 protrudes radially inside the second button 530 from the inner surface of the extension portion 531. The hook 532 is preferably formed to be spaced apart from the lower surface of the second button 530. A hook protrusion 555, which will be described below, may be disposed in the space between the lower surface of the second button 530 and the hook 532.

The hook 532 can prevent the needle carrier 550 from moving in a straight line by facing the needle carrier 550, especially the longitudinal guide 553.

To this end, the needle carrier 550 may further include a hook protrusion 555. The hook protrusion 555 protrudes radially outward from one surface of the longitudinal guide 553 to the second button 530. That is, the hook 532 and the hook protrusion 555 may protrude in opposite directions, and thus may be formed at positions where they can engage with each other.

To summarize the above, in the initial state, the hook 532 of the second button 530 is caught on the hook protrusion 555 of the needle carrier 550. At this time, as the second button 530 is pressed, the second button 530 moves radially inside the applicator 500. At the same time, the hook 532 also moves, and the hook protrusion 555 and the hook 532 are released. Because of this, the needle carrier 550 may be capable of linear movement.

Referring to FIGS. 26 and 27, in order to trigger the applicator 500 according to the 5-1 embodiment, both the first button 520 and the second button 530 must be pressed.

That is, the first button 520 and the second button 530 may function as a safety lock release button when pressed first, and may function as a trigger button when pressed subsequently.

Meanwhile, since the pressing of the first button 520 and the pressing of the second button 530 are independent mechanisms, they can be pressed in any order.

Referring to FIG. 28, the applicator 500 has an opening 514 formed on the bottom. At this time, the diameter of the opening 514 is preferably formed to be equal to or slightly larger than the maximum diameter of the transmitter 50. Because of this, it is possible to prevent contaminants from entering the interior of the applicator 500.

Figure 29 shows the transmitter holder and transmitter of the applicator according to the 5-1 embodiment of the present disclosure. Figure 30 shows the state after triggering of the applicator according to the 5-1 embodiment of the present disclosure.

Referring to FIG. 29, the transmitter holder 570 may include a transmitter support portion 571.

Figure 29 (a) is a perspective view of the transmitter holder 570, and Figure 29 (b) is a cross-sectional view taken along II' of Figure 29 (a).

The transmitter support portion 571 is formed on one surface of the transmitter holder 570 and is configured to hold and support the transmitter 50. The transmitter support 571 according to this embodiment may be an O-ring (see FIG. 30). In this case, friction is formed between the O-ring and the transmitter 50, and the transmitter 50 can be held stably even without a separate fastening or disengaging structure, which has the effect of reducing manufacturing costs.

Meanwhile, since a coupling force is formed between the transmitter support 571 and the transmitter 50 due to friction, a structure that can push the transmitter 50 in the proximal direction is required. To this end, the transmitter holder 570 may further include a pusher 572.

The pusher 572 is disposed on the upper surface of the transmitter holder 570 and is configured to rotate about an axis parallel to the horizontal plane (see (b) of FIG. 29). Meanwhile, in order to provide sufficient pressing force, it is preferable that a plurality of pushers 572 are provided.

The first end 573 of the pusher 572 is disposed outside the transmitter housing 510, and the second end 574 is disposed inside the transmitter holder 570. As the transmitter holder 570 is pressed (in the direction of the arrow in (b) of FIG. 29), the first end 573 collides with the inner bottom surface of the housing 510. Because of this, the pusher 572 can rotate in one direction. Here, one direction means the direction shown by the curved arrow in (b) of FIG. 29.

As the pusher 572 rotates, the second end 574 strongly presses the transmitter 50. Because of this, the transmitter 50, which is fixed by the transmitter support portion 571, can be removed from the transmitter holder 570.

6. 제5-2 실시예6. Example 5-2

The applicator according to the 5-2 embodiment may share other configurations except for the driving unit 540' with the applicator 500 according to the 5-2 embodiment. Therefore, please note that this disclosure only describes the driving unit 540'.

The driving unit 540' of the applicator according to the 5-2 embodiment of the present disclosure includes all or part of an elastic body 541', a wheel 542', a guide protrusion, and a guide roller 544'.

The elastic body 541' is made of a material that has elasticity and can be stretched. For example, the elastic body 541' may be a rubber band, but the material may be appropriately changed by the designer.

One end of the elastic body 541' is fastened to the wheel 542', and the other end is fastened to one surface of the drum. Here, one end refers to an end disposed on the inside when the elastic body 541' is wound, and the other end refers to an end disposed on the outside.

The elastic body 541' is assembled by being stretched in its initial state. By pressing the first button 520 and the second button 530, the fastener that secures the tension of the elastic body 541' is released, and the elastic body 541' is compressed to return to its original state. As a result, one end of the elastic body 541' rotates.

The wheel 542' and guide protrusion (not shown) according to the 5-2 embodiment have the same configuration, shape, and function as the wheel 542 and the guide protrusion 543 according to the 5-1 embodiment. The description is replaced with the description of Embodiment 5-1.

The guide roller 544' protrudes from one inner surface of the housing and may be arranged adjacent to the wheel 542' so that the elastic body 541' can be mounted. The guide roller 544' preferably has a substantially cylindrical shape. Because of this, the elastic body 541' can slide along the outer peripheral surface of the guide roller 544'.

Figure 31 (a) shows a state in which at least one of the first button 520 and the second button 530 is not pressed, that is, in the initial state.

Referring to (a) of FIG. 31, the guide protrusion (not shown) is positioned at the most distal position, and accordingly, the needle carrier 550' will also be positioned at the distal position. Meanwhile, the elastic body 541' at this time will be in a tensioned state.

Meanwhile, as shown in (a) of FIG. 31, since at least one of the first button 520 and the second button 530 is not pressed, the needle carrier 550' presses the first button 520. ) or the proximal movement is restricted by the second button 530. Due to this, the movement of the guide protrusion, wheel 542', and elastic body 541' directly/indirectly connected to the needle carrier 550' is restricted.

Figure 31 (b) shows a state in which both the first button 520 and the second button 530 are pressed and the needle 560 is inserted into the skin.

Referring to (b) of FIG. 31, while both the first button 520 and the second button 530 are pressed, the space between the first button 520 and the second button 530 and the needle carrier 550' The fastening is released. Due to this, the movement of the needle carrier 550' from distal to proximal is no longer restricted. Accordingly, movement of the guide protrusion, wheel 542', and elastic body 541' directly/indirectly coupled to the needle carrier 550' is possible.

The elastic body 541' rotates in one direction (in FIG. 31 of the present disclosure, it is shown counterclockwise, but the opposite direction may also be used). However, in order to enable rotation in the opposite direction, the direction in which the elastic body 541' is disposed on the guide roller 544' must be changed.

The guide protrusion is disposed most proximally, and the needle carrier 550' is also disposed proximally accordingly. Meanwhile, the elastic body 541' will be in a state where about half of the tension is released.

As needle carrier 550' moves proximally, needle 560' may also move proximally and be inserted into the user's skin.

Figure 31(c) shows a state in which the needle 560' is pulled out from the user's skin.

Referring to (c) of FIG. 21, the elastic body 541' further rotates in one direction.

Due to this, the guide protrusion is again disposed distally, and accordingly the needle carrier 550' is also disposed distally. Meanwhile, the elastic body 541' will be completely released, and no driving force will be generated by the elastic body 541'.

As needle carrier 550' moves distally again, needle 560' may move distally and be withdrawn from the user's skin.

7. 제6-1 실시예7. Example 6-1

Referring to FIG. 32, the applicator 600 according to the 6-1 embodiment of the present disclosure includes a housing 610.

The housing 610 is configured to be held by a user, and is preferably in the shape of a hollow pillar. Additionally, the middle of the housing 610 may be concave so that the user can easily hold it as a whole. Meanwhile, the applicator 600 according to the 6-1 embodiment of the present disclosure is different from the previous first to fourth embodiments in that the applicator 600 is not triggered directly by the user, but is automatically triggered by pressing a button. It works.

For this purpose, the applicator 600 further includes a button 620.

The button 620 is disposed on the upper surface of the housing 610 and is configured to be pressed downward.

Meanwhile, in order to prevent the button 620 from being accidentally triggered by pressing it due to an external impact, etc. regardless of the user's intention, the applicator 600 may further include a safety pin 630.

The safety pin 630 is configured to be inserted into or removed from the housing 610, and preferably has a knob shape so that the user can easily hold it.

Specifically, Figure 33a shows a state in which internal components are combined as seen from a rear perspective view, and Figure 33b shows a state in which internal components are disassembled as viewed from a front exploded perspective view.

With reference to FIGS. 33A and 33B, the components of the applicator 600 according to the 6-1 embodiment of the present disclosure and the connection relationships between the components will be described.

The applicator 600 according to the 6-1 embodiment includes all or part of a driving unit 640, a needle carrier 650, and a transmitter holder 660 disposed inside the housing 610.

The driving unit 640 includes a spring 641 and a wheel 642.

The spring 641 and wheel 642 according to the 6-1 embodiment have the same configuration, shape, and function as the spring 541 and wheel 542 of the applicator 500 according to the 5-1 embodiment, This is replaced with the description of Example 5-1.

The needle carrier 650 is configured to move linearly within the housing 610. At this time, the linear movement of the needle carrier 650 may be caused by the rotational movement of the driving unit 640. To this end, the needle carrier 650 may include a lateral guide 651 and a longitudinal guide 653, and the needle carrier 650 may have an overall English letter T shape.

A guide protrusion (not shown) of the driving unit 640 may be inserted into the lateral guide 651. As the wheel 642 rotates, the guide protrusion rotates accordingly, and thus the guide protrusion can move left and right along the lateral guide 651. This causes the needle carrier 650 to move linearly between the distal and proximal sides.

The lateral guide 651 is configured to be fastened to the button 620, and when the fastening to the button 620 is released, triggering is possible. The fastening relationship between the first button 520 and the horizontal guide 551 according to the 5-1 embodiment of the present disclosure can be applied to the fastening of the button 620 and the lateral guide 651 according to this embodiment. , Replaced with the description of Example 5-1.

The longitudinal guide 653 is configured to be fastened to the safety pin 630, and can be moved only when fastened to the safety pin 630 is released. In relation to this, it is explained in detail in FIG. 34.

The transmitter holder 660 is coupled with a transmitter (not shown) and is configured to move the transmitter linearly from distal to proximal. Transmitter holder 660 is pressed from distal to proximal by longitudinal guide 653, and transmitter holder 660 moves only in the direction from distal to proximal.

Referring to FIG. 34, the safety pin 630 may include a grip portion 631, a first pin 632, and a second pin 633.

The grip part 631 is a part that the user grips.

The first pin 632 protrudes from the grip portion 631 and is preferably in the shape of a thin pin.

The second pin 633 protrudes from the grip portion 631 and is disposed lower than the first pin 632. At this time, the direction in which the first fin 632 and the second fin 633 protrude are the same.

The first pin 632 and the second pin 633 are inserted into one surface of the housing 610, and triggering is prevented by the first pin 632 and the second pin 633.

A hook 634 may be formed at the end of the second pin 633. The hook 634 is caught at the end of the second pin hole 612, thereby preventing the safety pin 630 from being pulled out due to external impact, etc. Meanwhile, the hook 634 has an inclined surface formed in the direction in which the safety pin 630 is removed from the applicator 600. Because of this, the safety pin 630 can be removed only when the safety pin 630 is pulled with a certain force or more. In other words, the hook 634 can be coupled to the second pin hole 612 in a snap fit manner.

The housing 610 may include a first pin hole 611, a second pin hole 612, a spring holder 613, and a first pin groove 614.

The first pin hole 611 is a hole formed on the outer peripheral surface of the housing 610, into which the first pin 632 can be inserted.

The needle carrier 650 may include a first pin through hole 652.

The first pin through hole 652 is formed in the center of the lateral guide 651 of the needle carrier 650, and the first pin 632 penetrates the needle carrier 650 through the first pin through hole 652. You can.

The spring holder 613 is a configuration on which the spring 641 is mounted, and may have an overall boss shape. A first pin groove 614 is formed in the flange portion of the spring mounting portion 613.

The first pin hole 611, the first pin through hole 652, and the first pin groove 614 are all circular in diameter and arranged coaxially. Because of this, the first pin 632 can fix the housing 610, the needle carrier 650, and the drive unit 640 all at once.

Meanwhile, when the first pin 632 is inserted, the end of the first button 620 comes into contact with the first pin 632. Accordingly, as long as the first pin 632 is inserted, the first button 620 will not be able to be pressed.

The second pin hole 612 is a hole formed on the outer peripheral surface of the housing 610, into which the second pin 633 is inserted, and is formed lower than the first pin hole 611.

The applicator 600 according to the 6-1 embodiment prevents the button 620 from being pressed when the safety pin 630 is inserted, and also prevents the rotation of the drive unit 640 and the linear movement of the needle carrier 650. It can be.

In addition, the hook 634 of the safety pin 630 prevents the safety pin from being pulled out from external impact, thereby increasing safety.

8. 제6-2 실시예8. Example 6-2

Figure 35(a) shows the grip part 631' in an unfolded state, and Figure 35(b) shows the grip part 631' in a gathered state.

Referring to FIG. 35, the applicator 600' according to the 6-2 embodiment of the present disclosure includes all or part of a housing 610', a button 620', and a safety pin 630'.

The housing 610' and the button 620' according to the 6-2 embodiment have the same configuration, shape, and function as the housing 610 and the button 620 according to the 6-1 embodiment. 1 Replaced with an explanation according to Example.

The safety pin 630' according to the 6-2 embodiment has two grip portions 631', and the grip portions 631' can be unfolded or gathered together. By unfolding the grip portion 631', the overall volume of the applicator 600' can be reduced, which has the advantage of reducing the amount of packaging material.

Referring to FIG. 36, the safety pin 630' according to the 6-2 embodiment of the present disclosure includes a first pin 632', a second pin 633', a hook 634', and a support pin 635'. ) may further be included.

The first pin 632', second pin 633', and support pin 635' are arranged in order along the height direction of the housing 610'.

The first pin 632' is inserted into the first pin hole 611', the second pin 633' is inserted into the second pin hole 612', and the support pin 635' is inserted into the support pin hole 611'. It is inserted at (613').

The configuration, shape, and function of the first pin 632', the second pin 633', and the hook 634' are the first pin 632, the second pin 633, and the hook 634' according to the 6-1 embodiment. It is the same as the hook 634, so it is replaced with the description of the 6-1 embodiment.

The support pin 635' can prevent the transmitter and the transmitter holder from moving proximally by contacting the lower surface of the transmitter while the safety pin 630' is inserted into the housing 610'.

9. 제7 실시예9. Seventh Embodiment

Referring to FIG. 37, the applicator 700 according to the seventh embodiment of the present disclosure includes a housing 710. The housing 710 is configured to be held by a user, and is preferably in the shape of a hollow pillar. Additionally, the middle of the housing 710 may be concave so that the user can easily hold it as a whole. Meanwhile, the applicator 700 according to the seventh embodiment of the present disclosure, unlike the previous first to fourth embodiments, operates in an automatic trigger manner in which the applicator 700 is triggered automatically when a button is pressed, rather than being triggered by direct pressure from the user. .

For this purpose, the applicator 700 further includes a button 720.

The button 720 is disposed on the upper surface of the housing 710 and is configured to be pressed downward.

Referring to FIG. 38, the applicator 700 according to the seventh embodiment of the present disclosure includes all or part of a cap 730, a driving unit 740, a needle carrier 750, and a transmitter holder 760.

The cap 730 is formed so that at least a portion of the cap 730 is inserted through an opening formed on the bottom of the housing 710. The cap 730 is configured to protect the inside of the applicator 700 from external contaminants before the user uses the applicator 700. For this purpose, it is preferable that the maximum diameter of the cap 730 is the same as or slightly larger than the diameter of the opening formed on the bottom of the housing 710.

The cap 730 may be made of one or more materials among ABS (Acrylonitrile butadiene styrene co polymer) resin, PC (Polycarbonate) resin, and PE (Polyethylene) resin, but is limited to materials commonly used in medical devices such as applicators. It can be applied without. For example, PC resin and ABS resin may be used in combination, but this can be appropriately changed depending on the designer's choice.

The cap 730 may include a support rod 731 and a sealing portion 732. The support rod 731 contacts the transmitter and corresponds to a configuration that directly supports the transmitter and the transmitter holder 760.

The sealing portion 732 is configured to seal the opening formed in the bottom of the housing 710.

The driving unit 740 is configured to move the needle carrier 750 and the needle (not shown) in a straight line between the distal and proximal ends, in response to the pressing of the button 720. For this purpose, the driving unit 740 may include a wheel 741. Meanwhile, the wheel 741 according to the seventh embodiment has the same structure, shape, and function as the wheel 542 of the applicator 500 according to the 5-1 embodiment. replace

The needle carrier 750 is configured to move linearly within the housing 710. At this time, the linear movement of the needle carrier 750 may be caused by the rotational movement of the driving unit 740.

The transmitter holder 760 is configured to couple with a transmitter (not shown) to move the transmitter linearly from distal to proximal. Transmitter holder 760 is pressed from distal to proximal by needle carrier 750. Meanwhile, the transmitter holder 760 moves only in the direction from distal to proximal.

Figure 38(a) shows the state before the cap 730 is removed, and Figure 38(b) shows the state after the cap 730 has been removed.

Referring to (a) of FIG. 38, the cap 730 supports the transmitter holder 760 in the distal direction. Due to this, the needle carrier 750, which is configured to allow linear movement, is also supported in a distal direction.

Referring to (b) of FIG. 38, when the cap 730 is removed, the needle carrier 750 and the transmitter holder 760 may come down slightly proximally. In this state, the user can press the button 720, and the applicator 700 is ready to be fired.

Referring to FIG. 39, the needle carrier 750 of the present disclosure includes a lateral guide 751, an insertion groove 752, and a longitudinal guide 753.

The guide protrusion 742 (see FIG. 40) of the driving unit 740 may be inserted into the lateral guide 751. As the wheel 741 rotates, the guide protrusion 742 rotates, and accordingly, the guide protrusion 742 can move left and right along the lateral guide 751. This causes the needle carrier 750 to move linearly between the distal and proximal sides.

The insertion groove 752 is formed on the bottom of the lateral guide 751, and preferably has a width sufficient to allow the guide protrusion 742 to pass through.

The longitudinal guide 753 extends from one surface of the transverse guide 751 in a direction from distal to proximal. The longitudinal guide 753 can be combined with the needle to fix the needle.

Figure 40(a) shows the state before the cap 730 is removed, and Figure 40(b) shows the state after the cap 730 has been removed.

Referring to (a) of FIG. 40, before the cap 730 is removed, the needle carrier 750 is supported distally, so the needle carrier 750 is slightly moved distally. Because of this, the guide protrusion 742 may span the insertion groove 752 of the needle carrier 750. Because of this, the lateral guide 751 cannot move in the lateral direction. Meanwhile, the lateral movement of the guide protrusion 742 is mutually restricted to the longitudinal movement due to the nature of circular motion. Since lateral movement is not possible, the longitudinal movement of the guide protrusion 742 is also limited. Due to this, triggering can be prevented.

Referring to (b) of FIG. 40, when the cap 730 is removed, the structure supporting the needle carrier 750 is removed, and the needle carrier 750 moves proximally slightly. The guide protrusion 742 is inserted into the interior of the lateral guide 751, thereby enabling lateral movement.

The above description is merely an illustrative explanation of the technical idea of the present embodiment, and those skilled in the art will be able to make various modifications and variations without departing from the essential characteristics of the present embodiment. Accordingly, the present embodiments are not intended to limit the technical idea of the present embodiment, but rather to explain it, and the scope of the technical idea of the present embodiment is not limited by these examples. The scope of protection of this embodiment should be interpreted in accordance with the claims below, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of rights of this embodiment.

[Explanation of symbols]

100, 200, 300, 400, 500, 600, 600', 700: Applicator

110, 210, 410: handle

120, 220, 420, 730: Cap

130, 230: support part

140: gear

150, 260, 550, 550', 650, 750: Needle carrier

160: Needle holder

170, 270, 362, 560, 560': Needle

180, 280, 380, 450, 570, 660, 760: Transmitter holder

240: crank

250: connecting rod

310: upper cap

312: lower cap

330: Push cap

340: rotation guide

350: Rotating block

370: spring

430: cylinder

440: Piston

520: first button

530: second button

540, 540', 640, 740: Drive unit

620, 620', 720: Button

630, 630': safety pin

Claims

A hollow pillar-shaped housing with an opening formed on the bottom;

a first button disposed on the upper surface of the housing;

a second button disposed on the outer peripheral surface of the housing;

a needle carrier configured to be engaged with the second button and moving linearly between the distal end and the proximal end within the housing; and

Configured to engage with the first button, and comprising a driving unit configured to provide power for linear movement of the needle carrier,

Applicator.
According to paragraph 1,

The driving part

a wound spring coupled to the inner peripheral surface of the housing in a compressed state;

a wheel whose one surface faces the spring and is constrained by the rotation of the spring;

an arc-shaped trigger prevention portion protruding from the other surface of the wheel and formed along the circumference of the wheel; and

A guide protrusion is formed to protrude on the other surface of the wheel and is disposed radially inside the trigger prevention portion,

The needle carrier is

transverse guide; and

Comprising a longitudinal guide formed from one surface of the transverse guide and extending along the longitudinal direction of the housing,

Applicator.
According to paragraph 2,

The first button is

an extension portion protruding from a lower surface of the first button; and

A locking protrusion is formed to protrude from one surface of the extension portion toward a radial outer side of the first button and is configured to face the trigger prevention portion,

The stopping protrusion is formed spaced apart from the lower surface of the first button,

When the first button is pressed, the trigger prevention portion is disposed in a spaced apart space between the locking protrusion and the lower surface of the first button.

Applicator.
According to paragraph 2,

The needle carrier is

It includes a hook protrusion protruding from a side of the longitudinal guide,

The second button is

an extension portion protruding from a lower surface of the second button and disposed radially inward of the housing; and

A hook is formed to protrude from one surface of the extension portion toward a radial inner side of the second button and is configured to face the hook protrusion,

The hook is spaced apart from the lower surface of the second button,

When the second button is pressed, the hook protrusion is disposed in a space spaced apart between the hook and the lower surface of the second button.

Applicator.
According to paragraph 2,

The first button is configured to limit rotation of the driving unit,

The second button is configured to limit linear movement of the needle carrier,

When the first button and the second button are pressed simultaneously or sequentially, the drive unit rotates, so that the needle carrier moves from distal to proximal.

Applicator.
According to paragraph 1,

further comprising a transmitter holder pressed by the needle carrier to move from distal to proximal, and configured to hold a transmitter,

The transmitter holder is,

a transmitter support configured to surround at least a portion of the transmitter; and

Comprising a pusher rotatably mounted on the upper surface of the transmitter holder,

Applicator.
According to clause 6,

One end of the pusher is disposed outside the transmitter holder,

The other end of the pusher is disposed inside the transmitter holder,

One end of the pusher is formed to protrude beyond the lower surface of the transmitter holder,

Applicator.
In clause 7,

When the transmitter holder is moved from distal to proximal by the needle carrier, one end of the pusher abuts the inner bottom surface of the housing,

The other end of the pusher presses the upper surface of the transmitter,

Applicator.
According to clause 6,

The transmitter support portion and the transmitter are frictionally coupled,

Applicator.
A sensor, at least a portion of which is inserted into the body and configured to detect an analyte in the body;

a transmitter configured to process information related to in vivo analytes obtained from the sensor; and

An applicator configured to move said sensor and said transmitter from proximal to distal,

A hollow pillar-shaped housing with an opening formed on the bottom;

a first button disposed on the upper surface of the housing;

a second button disposed on the outer peripheral surface of the housing;

a needle carrier configured to be engaged with the second button and moving linearly between the distal end and the proximal end within the housing; and

Comprising an applicator configured to be engaged with the first button and including a driving unit configured to provide power for linear movement of the needle carrier,

Sensor insertion device.